The flaring up of a new star in the firmament, where there have been no stars before, testifies to the recent disintegration of a planet whose former inhabitants had achieved a high level of civilization and discovered the means of releasing atomic energy. "The Star Diaries"
The higher a civilization is, the more dust and refuse it produces. "The Star Diaries"
People do not want immortality. They simply do not want to die. "Memoirs of a Space Traveller: Further Reminiscences of Ijon Tichy"
Donda's Law: Whatever a small computer can do with a large program, perhaps a large computer can do just as much with a small program; hence the logical conclusion that an infinitely large program can work on its own, i.e. without any computer at all. "Memoirs of a Space Traveller: Further Reminiscences of Ijon Tichy"
Satan is that which we understand the least in God. "The Star Diaries"
A man who for an entire week does nothing but hit himself over the head has little reason to be proud. "The Star Diaries"